/// <summary>
/// Sets the nodes position from custom graph.
/// </summary>
/// <param name="graph">The graph.</param>
private void SetNodesPositionFromCustomGraph(CustomGraph graph)
{
StringBuilder s = new StringBuilder();
for (int i = 0; i < graph.Vertices.Count(); i++)
{
GraphLayout.SetX(graphLayout.GetVertexControl(graphLayout.Graph.Vertices.ElementAt(i)), graph.Vertices.ElementAt(i).X);
GraphLayout.SetY(graphLayout.GetVertexControl(graphLayout.Graph.Vertices.ElementAt(i)), graph.Vertices.ElementAt(i).Y);
}
}
/// <summary>
/// Sets the nodes position to save.
/// </summary>
private void SetNodesPositionToSave(CustomGraph graphToSave)
{
foreach (CustomVertex vertex in graphLayout.Graph.Vertices)
{
double vertexX = GraphLayout.GetX(graphLayout.GetVertexControl(vertex));
double vertexY = GraphLayout.GetY(graphLayout.GetVertexControl(vertex));
graphToSave.Vertices.Where(var => var.CompareTo(vertex)).FirstOrDefault().X = vertexX;
graphToSave.Vertices.Where(var => var.CompareTo(vertex)).FirstOrDefault().Y = vertexY;
}
}
/// <summary>
/// Saves the graph.
/// </summary>
/// <param name="graph">The graph.</param>
/// <param name="filename">The filename.</param>
public static void SaveGraph(CustomGraph graph, string filename)
{
////create the xml writer
if (!string.IsNullOrEmpty(filename))
{
using (var writer = XmlWriter.Create(filename))
{
var serializer = new GraphMLSerializer <CustomVertex, CustomEdge, CustomGraph>();
////serialize the graph
serializer.Serialize(writer, graph, v => v.Text + ";" + v.BackgroundColor.ToString() + ";" + v.X.ToString() + ";" + v.Y.ToString() + ";" + v.Highlight.ToString() + ";", e => e.EdgeColor.ToString() + ";" + e.Trigger);
}
}
}
/// <summary>
/// Loads the graph.
/// </summary>
/// <param name="filename">The filename.</param>
/// <returns></returns>
public static CustomGraph LoadGraph(string filename)
{
////open the file of the graph
var reader = XmlReader.Create(filename);
////create the serializer
var serializer = new GraphMLDeserializer <CustomVertex, CustomEdge, CustomGraph>();
////graph where the vertices and edges should be put in
var customGraph = new CustomGraph();
////deserialize the graph
serializer.Deserialize(reader, customGraph, id => new CustomVertex(id.Split(';').First(), (Color)ColorConverter.ConvertFromString(id.Split(';').ElementAt(1)), id.Split(';').ElementAt(4), double.Parse(id.Split(';').ElementAt(2)), double.Parse(id.Split(';').ElementAt(3))), (source, target, name) => new CustomEdge(name.Split(';').ElementAt(1), source, target, (Color)ColorConverter.ConvertFromString(name.Split(';').FirstOrDefault())));
return(customGraph);
}
/// <summary>
/// Opens the specified custom graph.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="RoutedEventArgs"/> instance containing the event data.</param>
private void Open(object sender, RoutedEventArgs e)
{
string path = Utilities.GetPath("Select the custom graph to open");
if (path != null)
{
try
{
CustomGraph graph = new CustomGraph();
graph = SerializeHelper.LoadGraph(path);
this.DataContext = graph;
MessageBox.Show("Graph opened succesfully!");
this.SetNodesPositionFromCustomGraph(SerializeHelper.LoadGraph(path));
}
catch (Exception ex)
{
console.Text += ex.Message + "\r\nIncorrect file type!\r\n";
scrConsole.ScrollToEnd();
}
}
}
